1 . 判断对错,并在相应横线处划“√”或“×”.①样本相关系数
时,称成对数据正相关,
时,称成对数据负相关___________ .②样本相关系数的绝对值
越接近于1,线性相关程度越弱,
越接近于0,线性相关程度越强___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ba6b6aa6c3f9faba6b03bc193a6e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c5a34264373cc8e3a5a60128309b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fe9be2c6b3d8bf1e6ce9e9c0025ced7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fe9be2c6b3d8bf1e6ce9e9c0025ced7.png)
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2021-07-04更新
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332次组卷
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2卷引用:北京市朝阳区2020-2021学年高二下学期期末考试数学试题